T
roub
leshooting
5-3
No Search Operation
MIRR, SIC1-157
output is normal?
Actual velocity occurs
at SIC1-34 terminal?
Actual velocity occurs
at SIC4-32, 33 terminal?
Check RIC1 peripheral circuit.
RFAGCO, RIC1-72
output level is normal?
Check SIC1 peripheral circuit.
Check SIC3 peripheral circuit.
No
No
No
No
Yes
TE occurs in
search range?
Focus On?
Yes
Yes
Yes
No
Yes
Check pick-up.
No
FINE SEEK Check
FINE SEEK MIRR
signal (RIC1-46) is missing?
TZCO signal
(SIC1-24) is occurs?
Track incomming is
delayed?
TE is within
2V and 3V?
Pick-up transfer smooth.
Check RIC1 Peripheral curcuit.
Check SIC1 Peripheral curcuit.
Time out due to many jump counts.
Check SIC1 peripheral circuit.
SIC1-33 output
is normal?
SIC3-28, 29
terminal outputs are
normal?
Check DCN1 and pick-up.
Check MECHA.
Check RIC1-26 terminal.
Check SIC3 peripheral circuit.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Summary of Contents for DV-P415U
Page 17: ...4 6 Disassembly and Reaasembly 4 2 PCB Location Fig 4 6 PCB Location ...
Page 31: ...6 1 6 Exploded View 6 1 Cabinet Assembly 6 2 Deck Assembly Page 6 2 6 3 ...
Page 33: ...6 3 Exploded Views 6 2 Deck Assembly H105 H211 DCN1A H104 H207 H200 H210 ...
Page 37: ...9 1 9 PCB Diagrams 9 2 9 3 9 4 9 4 9 1 Main 9 2 Jack 9 3 Deck 9 4 Housing ...
Page 38: ...PCB Diagrams 9 2 9 1 Main COMPONENT SOLDER SIDE ...
Page 39: ...PCB Diagrams 9 3 9 2 Jack ...
Page 40: ...PCB Diagrams 9 4 9 4 Housing 9 3 Deck ...
Page 41: ...10 1 10 Wiring Diagram ...
Page 43: ...Schematic Diagrams 11 2 11 1 Power PICS6 ICP N25 PICS7 ICP N25 ...
Page 44: ...11 3 Schematic Diagrams M27C801 T15M256A 11 2 AV Decoder Main Micom Key ...
Page 45: ...11 4 Schematic Diagrams S5L1462A S5L1454A 11 3 Servo ...
Page 46: ...11 5 Schematic Diagrams 11 4 Video ...
Page 47: ...Schematic Diagrams 11 6 11 5 Audio ...
Page 48: ...Schematic Diagrams 11 7 JUP JUP JUP JUP JUP 11 6 Front Micom VFD Display ...
Page 49: ...Schematic Diagrams 11 8 11 7 Deck HOUSING PCB ...
